Lamp



FIG. 1 is a front, right perspective view of a lamp showing my new design;

FIG. 2 is a front, left perspective view thereof;

FIG. 3 is a front, bottom perspective view thereof;

FIG. 4 is another front, perspective view thereof taken from a higher elevation than FIG. 3;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear, elevation view thereof; and,

FIG. 7 is a left side elevational view thereof, the right side elevational view being a mirror image.

The broken line of the claimed design forms no part thereof. 

The ornamental design for a lamp, as shown. 